Félix Malfait
15 lines
437 B
TypeScript
15 lines
437 B
TypeScript
import { differenceInDays, parseISO, addDays } from 'date-fns';
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export const computeNewExpirationDate = (
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expiresAt: string | null | undefined,
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createdAt: string,
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): string | null => {
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if (!expiresAt) {
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return null;
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}
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const expirationDate = parseISO(expiresAt);
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const creationDate = parseISO(createdAt);
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const days = differenceInDays(expirationDate, creationDate);
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return addDays(new Date(), days).toISOString();
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};
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